package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishComtroller {
    @Autowired
    private DishService dishServie;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishServie.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key="dish_"+dishDTO.getCategoryId();
//        redisTemplate.delete(key);
        clearCache(key);
        return Result.success();

    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
     public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult  =dishServie.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
     }
    /**
     *菜品批量删除
     */
@DeleteMapping
@ApiOperation("菜品批量删除")
    public Result delete (@RequestParam List<Long> ids){
    log.info("菜品批量删除：{}",ids);
    dishServie.deleteBatch(ids);
    //将所有菜品缓存数据清理掉，所有以dish_开头的缓存数据key
    Set keys = redisTemplate.keys("dish_*");
    redisTemplate.delete(keys);
    return Result.success();
    }

    /**
     * 根据id查询菜品
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO=dishServie.getByIdWithFlavor(id);
        return Result.success(dishVO);

    }
    /**
     * 修改菜品
     *
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishServie.updateWithFlavor(dishDTO);
        Set keys = redisTemplate.keys("dish_*");
        redisTemplate.delete(keys);
        return Result.success();
    }

    /**
     * 菜品起售停售
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")

    public Result <String> startOrStop(@PathVariable Integer status,Long id){
        dishServie.startOrStop(status,id);
//        Set keys = redisTemplate.keys("dish_*");
//        redisTemplate.delete(keys);
 clearCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
@GetMapping("/list")
@ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List <Dish> list=dishServie.list(categoryId);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void clearCache(String pattern) {
        Set<String> keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
